Home / 18,342,129.40-27,530,908.80-11,167,675.90

Finding the Fourth Proportional to 18,342,129.40, 27,530,908.80 and 11,167,675.90

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Solution

The fourth proportional to 18,342,129.40, 27,530,908.80 and 11,167,675.90 is: 16,762,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342,129.40 : 27,530,908.80 = 11,167,675.90 : x
  2. Step 2: Convert to fraction form
    18,342,129.40/27,530,908.80 = 11,167,675.90/x
  3. Step 3: Cross multiply
    18,342,129.40x = 27,530,908.80 × 11,167,675.90
  4. Step 4: Simplify right side
    18,342,129.40x = 307,456,266,710,857.94
  5. Step 5: Solve for x
    x = 307,456,266,710,857.94/18,342,129.40
  6. Step 6: Final answer
    x = 16,762,299.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.